Usability.
Participants gave Scim an average SUS score of 86.8, indicating excellent overall usability (based on the canonical interpretation of SUS scores  [1]}). They lauded Scim for its visual and interactive simplicity, and its ability to nest AI-powered features within an intuitive layout which paralleling software for other reading contexts. Those reporting lower usability scores noted the potential for inconsistency within the AI highlights, resulting in an additional cognitive load in occasionally needing to verify the accuracy of the AI highlights.
